- Update to version 1.2.3
* fix erroneous event=completed tracker announce when checking
files
* promote errors in parsing listen_interfaces to post
listen_failed_alert
* fix bug in protocol encryption/obfuscation
* fix buffer overflow in SOCKS5 UDP logic
* fix issue of rapid calls to file_priority() clobbering each
other
* clear tracker errors on success
* optimize setting with unlimited unchoke slots
* fixed restoring of trackers, comment, creation date and
created-by in resume data
* fix handling of torrents with too large pieces
* fixed division by zero in anti-leech choker
* fixed bug in torrent_info::swap